CN106128013A - The warning system of a kind of gas leakage prevention of preventing fires and control method - Google Patents

Abstract

The invention discloses warning system and the control method of fire prevention gas leakage prevention, owing to specifically including that MCU, smog sensing module, gas leakage sensing module, gsm module, remote control equipment, power module, ferroelectric memory module, standby power supply module and charging module, such that it is able to overcome accidentalia alternating current power-off in prior art, limited phone is made to dial in crucial moment malfunctioning, Ethernet is faced with the hidden danger that circuit is cut-off equally, and be difficult to popularize, group system power consumption is the biggest, network sets up and maintenance cost is the highest, and need to buy fixing frequency, overcome owing to conventional alarm logging can not be checked, thus tight arrangement can not be made further to deploying troops on garrison duty.Avoid potential safety hazard, be independent of telephone and perform warning, and by the most reliably, the most ripe GSM mobile network, with Chinese short message or telephony modalities the most intuitively, directly the situation in warning place is reflected on mobile phone screen, allow antitheft more in time, use more convenient.

Description

The warning system of a kind of gas leakage prevention of preventing fires and control method

Technical field

The present invention relates to gas leakage prevention technical field of preventing fires, in particular it relates to the warning of a kind of gas leakage prevention of preventing fires System and control method.

Background technology

Along with developing rapidly of electronic technology, warning system from original simplification, localization to intelligent, integrated Development.And various fire warning system between the main distinction be to be how to allow between extension set and main frame, extension set and user to carry out Communication.The communication mode of the most common fire alarm system has landline telephone dialing, Ethernet, group system etc. Deng.But they have a respective shortcoming:

The landline telephone easily stolen thief of dialing cuts off telephone wire before house robbery or maliciously the line is busy so that it is lose at crucial moment Spirit.

Ethernet is faced with the hidden danger that circuit is cut-off equally, and is difficult to popularize.

Group system power consumption is very big, and network sets up and maintenance cost is the highest, and needs to buy fixing frequency.

Supply and AC dump may be caused additionally, due to accidentalia, thus the line is busy to cause limited phone, thus not Can realize fireproof alarming, simultaneously after fire prevention system is reported to the police, user tends not to check conventional alarm logging, thus not Tight arrangement can be made further to deploying troops on garrison duty.

Summary of the invention

It is an object of the invention to, for the problems referred to above, propose warning system and the control of a kind of gas leakage prevention of preventing fires Method, to realize being independent of telephone performing warning, and by the most reliably, the most ripe GSM mobile network, with the most intuitively Chinese short message or telephony modalities, directly reflects the situation in warning place on mobile phone screen, allow antitheft more in time, use more Advantage easily.

For achieving the above object, the technical solution used in the present invention is: the warning system of a kind of gas leakage prevention of preventing fires, main Including: include that MCU, smog sensing module, gas leakage sensing module, gsm module, remote control equipment, power module, ferroelectricity are deposited Storage module, standby power supply module and charging module, described gas leakage sensing module, smog sensing module, remote control equipment, GSM Module all carries out data communication with MCU, and described power module is respectively to MCU, gsm module, remote control equipment and gas leakage sensing Module for power supply, described standby power supply module is connected with charging module, described standby power supply module the most respectively with MCU, gsm module, Remote control equipment, smog sensing module, gas leakage sensing module connects, and described gas leakage sensing module includes electrochemistry type gas Body sensor, described Smoke Sensor is ion type smog sensor, and described gsm module is HRH GSM Modem, described GSM Module uses 12V/500mA power supply to power, and is 9600bps with MCU by the baud rate of serial communication.

Further, also include that keyboard display module, described keyboard display module are connected with MCU, described keyboard & display mould Block is HD7279.

Further, control method based on antitheft gas leakage prevention warning system, comprise the following steps:

A. fire prevention gas leakage prevention warning system initializes；

B. reading the timing whether clock is equal to set, if reaching timing, then sending system by GSM message module Perform step c after properly functioning information of uniting, the most directly perform step c；

If c. button is state of deploying troops on garrison duty, read gas leakage sensing module and the status information of smog sensing module, if state Information changes, then perform step d, otherwise continue executing with step b, if gas leakage sensing module or the shape of smog sensing module State information is unchanged, then continue executing with step b；

D. the information having gas leakage alert or the alert information having people to steal are sent by gsm module to destination number；

If e. button is disarming state information, then continue executing with step b；

F. step b-e is read again.

Owing to specifically including that, various embodiments of the present invention, include that MCU, smog sensing module, gas leak sensing module, GSM Module, remote control equipment, power module, ferroelectric memory module, standby power supply module and charging module, described gas leakage sensing mould Block, smog sensing module, remote control equipment, gsm module all carry out data communication with MCU, and described power module is respectively to MCU, GSM Module, remote control equipment and gas leakage sensing module are powered, and described standby power supply module is connected with charging module, described standby electricity Source module is connected with MCU, gsm module, remote control equipment, smog sensing module, gas leakage sensing module the most respectively, described gas Leakage sensing module includes electrochemistry type gas sensor, and described Smoke Sensor is ion type smog sensor, described GSM mould Block is HRH GSM Modem, and described gsm module uses 12V/500mA power supply to power, with the MCU baud rate by serial communication For 9600bps.；Such that it is able to overcome accidentalia alternating current power-off in prior art, limited phone is made to dial in crucial moment Malfunctioning, Ethernet is faced with the hidden danger that circuit is cut-off equally, and is difficult to popularize, and group system power consumption is very big, network set up and Maintenance cost is the highest, and needs to buy fixing frequency, overcomes owing to can not check conventional alarm logging, thus can not enter One step makes tight arrangement to deploying troops on garrison duty.Avoid potential safety hazard, be independent of telephone and perform warning, and by the most reliably, Ripe GSM mobile network, with Chinese short message or telephony modalities the most intuitively, directly reflects the situation in warning place in one's hands On machine screen, allow antitheft more in time, use more convenient.

Other features and advantages of the present invention will illustrate in the following description, and, partly become from description Obtain it is clear that or understand by implementing the present invention.

Below by embodiment, technical scheme is described in further detail.

Detailed description of the invention

Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.

Specifically, the warning system of a kind of gas leakage prevention of preventing fires and control method, specifically include that and include that MCU, smog pass Sense module, gas leakage sensing module, gsm module, remote control equipment, power module, ferroelectric memory module, standby power supply module and Charging module, described gas leakage sensing module, smog sensing module, remote control equipment, gsm module all carry out data and lead to MCU Letter, described power module leaks sensing module to MCU, gsm module, remote control equipment and gas respectively and powers, described stand-by power supply Module is connected with charging module, described standby power supply module the most respectively with MCU, gsm module, remote control equipment, smog sensing module, Gas leakage sensing module connects, and described gas leakage sensing module includes electrochemistry type gas sensor, and described smog senses Device is ion type smog sensor, and described gsm module is HRH GSM Modem, and described gsm module uses 12V/500mA power supply Power supply, is 9600bps with MCU by the baud rate of serial communication.

Also including that keyboard display module, described keyboard display module are connected with MCU, described keyboard display module is HD7279。

Put the control method of gas leakage alarming system based on fire prevention, comprise the following steps:

A. gas leakage prevention warning system initializes；

B. reading the timing whether clock is equal to set, if reaching timing, then sending system by GSM message module Perform step c after properly functioning information of uniting, the most directly perform step c；

If c. button is state of deploying troops on garrison duty, read gas leakage sensing module and the status information of smog sensing module, if state Information changes, then perform step d, otherwise continue executing with step b, if gas leakage sensing module or the shape of smog sensing module State information is unchanged, then continue executing with step b；

D. the information having gas leakage alert or the alert information having people to steal are sent by gsm module to destination number；

If e. button is disarming state information, then continue executing with step b；

F. step b-e is read again.

GSM engine (GSM Cellular Engine) and 51 lists due to the HRH embedded high reliability of GSM Modem Sheet machine system (MCS51), standard serial interface and the software interface agreement simplified by user from numerous and diverse GSM communication standard solution Analysis and debugging free, easy to use, and also the transmission of the data of public network has communication range, and extensively (GSM network covers substantially The whole nation), the features such as transmission is stable, reliable.Therefore the design selects HRH GSM Modem to communicate.Its major function is A. note is received and dispatched；B. the transmission of long-range small lot data is realized by note；C. voice call (GSM phone) d. number arq mode Realize wireless real time data communication；E. (automatic-answering back device type) is got online without being tethered to a cable.Module require 12V/500mA power, with computer or Single-chip microcomputer passes through serial communication, baud rate 9600bps, installs SIM by SIM card holder.

In order to send the function of short message when realizing system generation alert to the number specified, then must have keyboard and LED shows, guard against theft and alarm system is carried out telephone number and presets, and the design selects HD7279 to drive as keyboard & display.

In order to prevent burglar by the supply and AC dump of system before entering defence area, system allows in alternating current power supply Continuing after Bei Qieduan properly functioning a period of time, native system uses the lead-acid accumulator of 12V/7AH as back-up source, and this just gives System design proposes a problem continuing to solve: be exactly the charge power supply problem of management of accumulator.

During in order to realize occurring alert, the time that alert occurs is carried out record, and in order to ensure the reliability service of system, Requirement system carries out self-inspection timing reporting system running status, it is therefore desirable to system has real-time clock function.The design selects Use DS12887 real-time timepiece chip.

The cloth of system, disarming state can be changed before entering defence area or after leaving defence area to realize user, this 315M amplitude modulation remote controller has been selected in design, and this remote control appliance has the advantage that

1. it is operated in amateur band, need not spend to buy frequency；

2. coverage is remote, typically up to 2001000 meters；

3. there is abundant address code to select for user, due to the PT2262/PT2272 of application on remote controller and remote control plate The codec chip codec state to all providing 8 tri-states, say, that have the 8 power address codes of 3 to be available for user and select, foot Burglar alarm cloth, application of withdrawing a garrison with users all in meeting community.

In order to prevent due to accidentalia alternating current power supply power-off, system allows for just continuing after alternating current power supply is cut-off Often running a period of time, native system uses and arranges back-up source.

The design selects electrochemistry type gas sensor, electrochemistry type gas sensor can be divided into primary cell type, controllable electric Position electrolytic, electricity quantity type and ion electrode formula four type.Primary cell type gas sensor carrys out detected gas by detection electric current Volume fraction, the instrument of commercially available detection anoxia is nearly all furnished with this sensor, in recent years, develops again detection sour gas The primary cell type sensor of body and poisonous gas.The electric current that controlled potential electrolysis formula sensor flows through when being by measuring electrolysis comes The volume fraction of detected gas, and unlike primary cell type, need to be applied specific voltage by the external world, except detecting

CO, NO, N02,02, outside the gas such as S02, moreover it is possible to the oxysome fraction in detection blood.Electricity quantity type gas sensor is logical Cross tested gas and electrolyte to react the electric current produced and carry out the volume fraction of detected gas.Ion electrode formula gas sensor occurs Relatively early must carry out, by measuring ionic polarization electric current, the advantage that the volume fraction electrochemical gas sensor of detected gas is main Be detected gas highly sensitive, selectivity good.At least can reach following beneficial effect: overcome landline telephone in prior art Dial by accidentalia cut-out telephone wire or maliciously the line is busy so that it is malfunctioning at crucial moment, Ethernet is faced with circuit quilt equally The hidden danger cut off, and be difficult to popularize, group system power consumption is very big, and network sets up and maintenance cost is the highest, and needs purchase solid Fixed frequency, overcomes owing to can not check conventional alarm logging, thus can not make tight arrangement further to deploying troops on garrison duty.Keep away Exempt from potential safety hazard, be independent of telephone and perform warning, and by the most reliably, the most ripe GSM mobile network, with the most intuitively Chinese short message or telephony modalities, directly reflects the situation in warning place on mobile phone screen, allow antitheft more in time, use more Convenient.

Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent. All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's Within protection domain.

Claims (3)

1. the warning system of a gas leakage prevention of preventing fires, it is characterised in that include that the leakage of MCU, smog sensing module, gas passes Sense module, gsm module, remote control equipment, power module, ferroelectric memory module, standby power supply module and charging module, described gas Leakage sensing module, smog sensing module, remote control equipment, gsm module all carry out data communication with MCU, and described power module divides Other powering MCU, gsm module, remote control equipment and gas leakage sensing module, described standby power supply module and charging module are even Connecing, described standby power supply module leaks sensing module with MCU, gsm module, remote control equipment, smog sensing module, gas the most respectively Connecting, described gas leakage sensing module includes electrochemistry type gas sensor, and described Smoke Sensor is that ion type smog passes Sensor, described gsm module is HRH GSM Modem, and described gsm module uses 12V/500mA power supply to power, with MCU by string The baud rate of port communications is 9600bps.

The warning system of fire prevention gas leakage prevention the most according to claim 1, it is characterised in that also include keyboard & display mould Block, described keyboard display module is connected with MCU, and described keyboard display module is HD7279.

3. the control method of warning system based on the fire prevention gas leakage prevention described in claim 2, it is characterised in that include with Lower step:

A. fire prevention gas leakage prevention warning system initializes；

B. reading the timing whether clock is equal to set, if reaching timing, then sending system by GSM message module Perform step c after properly functioning information of uniting, the most directly perform step c；

If c. button is state of deploying troops on garrison duty, read gas leakage sensing module and the status information of smog sensing module, if state Information changes, then perform step d, otherwise continue executing with step b, if gas leakage sensing module or the shape of smog sensing module State information is unchanged, then continue executing with step b；

D. the information having gas leakage alert or the alert information having people to steal are sent by gsm module to destination number；

If e. button is disarming state information, then continue executing with step b；

F. step b-e is read again.